Costco Helena Gas Prices – Custer Ave
- Regular · today
- $4.499
- Premium · today
- $5.199
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
2195 E Custer Ave, Helena, MT 59602-1217 · Open in Maps ↗
30-day range
where today sits- Regular$4.499 today · avg $4.437$4.259 low$4.599 high
- Premium$5.199 today · avg $5.022$4.859 low$5.199 high
Price history at Helena
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $4.299 | $4.889 |
| Sep 2 | $4.299 | $4.889 |
| Sep 3 | $4.299 | $4.889 |
| Sep 4 | $4.259 | $4.859 |
| Sep 5 | $4.259 | $4.859 |
| Sep 6 | $4.339 | $4.859 |
| Sep 7 | $4.369 | $4.939 |
| Sep 8 | $4.369 | $4.939 |
| Sep 9 | $4.339 | $4.859 |
| Sep 10 | $4.299 | $4.859 |
| Sep 11 | $4.299 | $4.959 |
| Sep 12 | $4.399 | $4.959 |
| Sep 13 | $4.399 | $4.999 |
| Sep 14 | $4.399 | $4.999 |
| Sep 15 | $4.459 | $4.999 |
| Sep 16 | $4.459 | $4.999 |
| Sep 17 | $4.499 | $4.999 |
| Sep 18 | — | — |
| Sep 19 | $4.559 | $5.099 |
| Sep 20 | $4.559 | $5.099 |
| Sep 21 | $4.559 | $5.099 |
| Sep 22 | $4.599 | $5.199 |
| Sep 23 | $4.559 | $5.149 |
| Sep 24 | $4.559 | $5.149 |
| Sep 25 | $4.559 | $5.149 |
| Sep 26 | $4.559 | $5.149 |
| Sep 27 | $4.559 | $5.199 |
| Sep 28 | $4.549 | $5.199 |
| Sep 29 | $4.499 | $5.199 |
| Sep 30 | $4.499 | $5.199 |
Last updated September 30, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $4.499 for Regular, Helena is tied for the 2nd most expensive of 5 Costco gas stations in Montana today, $0.024 above the Montana average of $4.475.
Missoula, 98.2 mi away, is $0.110 cheaper.
- vs the US average
- $0.107 below, at $4.606
- Premium over Regular
- $0.700 — the Montana median is $0.600
- Over the last 30 days
- up $0.200
- Days the price changed
- 13 of 29 reported days
- Cheapest day in the window
- September 5, 2026, at $4.259
- 15-gallon fill
- $67.48, $3.60 more than at the 30-day low
- Nearest cheaper station
- Missoula — 98.2 mi
Helena is located at 2195 E Custer Ave, Helena, MT 59602-1217, in Montana. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular and Premium — this location does not sell diesel. Gas station hours are 6 a.m. – 10 p.m. on weekdays, 6 a.m. – 8:30 p.m. on Saturdays and 6 a.m. – 7:30 p.m. on Sundays, in local time.
Station details
Helena Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Helena Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 6 p.m.
Costco gas near Helena
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Helena
- Costco gas prices Bozeman · MT · 77 mi$4.529
- Costco gas prices Missoula · MT · 98 mi$4.389
At this location
- Warehouse opened
- November 2006
- Warehouse phone
- (406) 495-7042
- Pumps open before the warehouse
- 4 hours on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department and a tire center.
Costco publishes one number per warehouse; there is no separate line for the gas station.
Frequently asked questions
How much is gas at Costco Helena today?
As of the September 30, 2026 reading: Regular $4.499 and Premium $5.199 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Helena gas station open?
The pumps are open 6 a.m. – 10 p.m. weekdays, 6 a.m. – 8:30 p.m. Saturdays and 6 a.m. – 7:30 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Helena gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Helena cheaper than the average Costco station in Montana?
No — at $4.499, Regular here is $0.024 above the Montana Costco average of $4.475.
Where is the Costco Helena gas station?
At 2195 E Custer Ave, Helena, MT 59602-1217. It sits in the Costco warehouse parking lot and is open to members only.
Do you need a Costco membership to buy gas?
Yes — a Gold Star, Executive or Business membership card has to be scanned at the pump before it will dispense, though a Costco Shop Card also works for non-members.
What payment methods does the Costco gas station accept?
Visa, PIN debit and the Costco Shop Card; US Costco fuel pumps take no cash and no Mastercard, American Express or Discover.
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